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Manufacturing method of double shaft gravimetric blender


source:[Gravimetric blender]   release time:2021-05-12 11:25:21




Manufacturing method of double shaft gravimetric blender
[Patent Abstract] This utility model discloses a double-shaft gravimetric blender. The main point of the technical solution is a double-shaft gravimetric blender, which includes a frame and a blended barrel. The frame is provided with a first blended shaft and a second blended shaft. The first stirring shaft is connected with a first driving member for driving it to rotate, the second stirring shaft is connected with a second driving member for driving it to rotate, and the first stirring shaft and the second stirring shaft extend to the stirring In the barrel, a plurality of dispersing discs are arranged on the first blended shaft at intervals, and agitating teeth are arranged on the dispersing discs, and a plurality of blended blades are arranged on the second blended shaft at intervals. The dispersing discs and the blended blades are arranged at intervals. Staggered settings. The utility model solves the problem of uneven blended of the liquid by the disperser and the gravimetric blender in the prior art.
【Patent Description】
Double shaft gravimetric blender
Technical field
[0001] This utility model relates to a blended equipment, more specifically, it relates to a dual-shaft gravimetric blender.
【Background technique】
[0002] The dispersing machine is a kind of mechanical equipment for stirring and dispersing liquid materials. It is widely used in the production of chemical products such as inks, pigments, pesticides, and adhesives. It is mainly used for blended fluid materials such as liquids and colloids. The original incompatible materials are crushed, dispersed, mixed, stirred, etc., so that the materials are mixed with each other. It is a commonly used dispersing equipment in the paint, coating and other industries. The traditional dispersing machine is usually composed of a base, a transmission mechanism, a stirring device and a control device. The dispersing machine of this structure usually uses a single stirring blade, which has low stirring efficiency and small stirring range, resulting in insufficient blended.
[0003] In view of the above situation, the Chinese Patent Application No. 201420251859.5 discloses a biaxial dispersing machine, which includes a lifting column and a beam, one end of the beam is vertically arranged with a motor, and the other end of the beam is provided with a first bearing The motor, the first bearing seat and the second bearing seat are connected by a transmission mechanism. The first bearing seat is provided with a first rotating shaft, and the second bearing seat is provided with a second rotating shaft. A rotating shaft and a second rotating shaft are respectively provided with a stirring mechanism, the stirring mechanism is arranged in the dispersion container, characterized in that the stirring mechanism includes a stirring plate respectively arranged at the ends of the first and second rotating shafts, and respectively Dispersing discs on the first rotating shaft and the second rotating shaft, the circumference of the dispersing disc is welded with stirring teeth, the stirring teeth are arranged in a two-way manner up and down, and stirring blades are uniformly arranged on the circumference of the stirring disc The stirring blade includes an upper blade arranged upward and a lower blade arranged downward, the lower blade is arranged in a 45-degree arc shape, and the length of the lower blade is not less than the upper blade.
[0004] Although the above-mentioned biaxial dispersing machine increases the stirring range and dispersion strength in the dispersion container, shortens the dispersion time, and improves work efficiency; the dispersing discs are arranged crosswise to make the stirring more uniform and improve the stirring efficiency. However, because the upper part of the two stirring shafts is equipped with a dispersing plate, and the lower part is equipped with a stirring plate, so that the upper half of the liquid is subjected to cutting force during the rotation of the two stirring shafts, but the stirring effect Poor, and the stirring force on the lower half can only make the liquid in the lower half agitate evenly. Therefore, the above settings will cause uneven blended of the upper and lower parts of the liquid in the entire container.
[Utility model content]
[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a dual-shaft gravimetric blender with a more uniform blended effect.
[0006] In order to achieve the above purpose, the present invention provides the following technical solutions: a dual-shaft gravimetric blender, including a frame and a blended barrel, the frame is provided with a first blended shaft and a second blended shaft, the first A blended shaft is connected with a first driving part for driving it to rotate, the second blended shaft is connected with a second driving part for driving it to rotate, the first blended shaft and the second blended shaft extend into the blended barrel, A plurality of dispersing discs are arranged on the first stirring shaft at intervals, and stirring teeth are arranged on the dispersing discs, and a plurality of stirring blades are arranged on the second stirring shaft at intervals, and the dispersing discs and the stirring blades are arranged in a staggered manner.
[0007] Preferably, the orientation of a plurality of said stirring blades is staggered.
gravimetric blender
[0008] Preferably, the first driving member is a variable frequency motor.
[0009] Preferably, the end portion of the first stirring shaft and/or the second stirring shaft is provided with a liquid scraping mechanism.
[0010] Preferably, the liquid scraping mechanism includes a base connected with the first stirring shaft and/or the second stirring shaft, and a brush body is provided on the base, and the brush body is connected to the stirring shaft. The inner wall of the barrel resists.
[0011] Preferably, the base is threadedly connected with the first stirring shaft and/or the second stirring shaft.
[0012] Preferably, the screwing direction of the threaded connection between the base and the first stirring shaft and/or the second stirring shaft is the same as that of the base and the first stirring shaft and/or the second stirring shaft. The direction of rotation is opposite.
[0013] The present utility model has the following advantages: In the present utility model, a number of dispersion discs are arranged at intervals on the first stirring shaft, stirring teeth are arranged on the dispersion disc, and several stirring blades are arranged at intervals on the second stirring shaft, and the dispersion disc Staggered with blended blades. The staggered arrangement of the stirring blades and the dispersing disc can make the liquid in the stirring barrel not only fully stirred by the stirring blades, but also cut and dispersed by the dispersing disc. The fibers or particles in the liquid after being dispersed by the dispersing disc can be further uniformly stirred by the stirring blade, so that the biaxial gravimetric blender has a better stirring effect on the liquid.
【Explanation of the drawings】
[0014] FIG. 1 is a schematic structural diagram of a preferred embodiment of the utility model.
[0015] In the figure: 1, the frame; 2, the blended barrel; 3, the second motor; 31, the second blended shaft; 32, the blended blade; 4, the first motor; 41, the first blended shaft; Disk; 5. Base; 6. Brush body.
【Detailed ways】
[0016] With reference to the attached drawings, the dual-shaft gravimetric blender of the present invention will be further described.
[0017] Example: A dual-shaft gravimetric blender, including a frame 1 and a blended barrel 2, the frame 1 is provided with a first blended shaft 41 and a second blended shaft 31, the first blended shaft 41 is connected to drive its rotation The first motor 4 and the second stirring shaft 31 are connected with a second motor 3 for driving it to rotate. The first motor 4 and the second motor 3 are both arranged on the frame 1. The first stirring shaft 41 and the second stirring shaft 31 extend into the stirring barrel 2. Three (or more) dispersing discs 42 are arranged on the first stirring shaft 41 at intervals, and the dispersing disc 42 is provided with stirring teeth, and the second stirring shaft Three (or more) stirring blades 32 are arranged at intervals on 31, and the dispersing disc 42 and the stirring blades 32 are staggered. The staggered arrangement of the stirring blades 32 and the dispersing disc 42 can make the liquid in the blended barrel 2 not only fully stirred by the stirring blades 32, but also cut and dispersed by the dispersing disc 42. The fibers or particles in the liquid dispersed by the dispersion plate 42 can be further uniformly stirred by the stirring blade 32, so that the biaxial gravimetric blender has a better stirring effect on the liquid.
[0018] Among them, the second motor 3 can be a common motor, and its rotation speed can be set unchanged, because it only needs to provide a stirring force without being too large, and the first motor 4 can be a common motor, more preferably It is a variable frequency motor with high balance quality, R level of vibration (reduced vibration level), high machining precision of mechanical parts, and special high-precision bearings, which can run at high speed and can adjust speed. It can be used for liquids of different viscosities. When stirring, it can be adjusted to different speeds, so as to better realize the cutting and dispersion of fibers and particles in the liquid. For liquids with lower viscosity and concentration, the rotation speed can be lower, so the effect of energy saving can be achieved.
[0019] Secondly, the orientations of the several stirring blades 32 arranged on the second stirring shaft 31 are staggered, that is, the length directions of the adjacent stirring blades 32 may be perpendicular to each other or arranged at other angles. In this way, when stirring, it can be more fully contacted with the liquid and stirred.
[0020] Furthermore, a liquid scraping mechanism is provided at the end of the first stirring shaft 41 or the second stirring shaft 31, or a liquid scraping mechanism is provided at the ends of the first stirring shaft 41 and the second stirring shaft 31. . The liquid scraping mechanism can be set to scrape and stir the liquid close to the inner wall of the blended barrel 2, especially the liquid at the bottom of the blended barrel 2, which is difficult to be stirred to |J by the stirring blade 32. Therefore, in the prior art, the stirring The bottom of the bucket 2 is always easy to form sediment, or the liquid at the bottom is more viscous, and it is difficult to stir evenly. The above-mentioned problem can be solved well by the liquid scraping mechanism provided in this embodiment. The specific setting form of the liquid scraping mechanism can be a scraper or a brush body 6. Since the scraper damages the inner wall of the blended barrel 2 and is easy to scratch the inner wall of the blended barrel 2, the brush body 6 is preferably used. Due to the softness of the brush body 6, it will not scratch the inner wall of the blended barrel 2 and can play a role in driving the bottom liquid to be driven to the blended blade 32 for better blended.
[0021] In this embodiment, the liquid scraping mechanism includes a base 5 connected to the first stirring shaft 41 or the second stirring shaft 31, the brush body 6 is disposed on the base 5, and the brush body 6 is against the inner wall of the blended barrel 2. Assume. Wherein, the base 5 may be welded to the first stirring shaft 41 or the second stirring shaft 31, or detachably fixedly connected to the first stirring shaft 41 or the second stirring shaft 31. Since the base 5 can be detachably connected to the first stirring shaft 41 or the second stirring shaft 31 to facilitate the cleaning and replacement of the brush body 6, this embodiment is preferred. In a preferred embodiment, the base 5 is threadedly connected with the first stirring shaft 41 or the second stirring shaft 31. Such a connection method is simpler and facilitates the installation and disassembly of the base 5. Further, the screwing direction of the threaded connection between the base 5 and the first stirring shaft 41 or the second stirring shaft 31 is opposite to the rotation direction of the base 5 and the first stirring shaft 41 or the second stirring shaft 31. In this way, when the first stirring shaft 41 or the second stirring shaft 31 rotates, the base 5 will not be loosened, but the base 5 will only turn tighter and tighter to prevent it from falling off.
[0022] The above are only the preferred embodiments of the present utility model, and the scope of protection of the present utility model is not limited to the above-mentioned embodiments. All technical solutions that belong to the idea of ​​the present utility model belong to the scope of protection of the utility model. It should be pointed out that for those of ordinary skill in the art, several improvements and modifications made without departing from the principles of the present utility model should also be regarded as the protection scope of the present utility model.
【Sovereignty Item】

1. A double-shaft gravimetric blender, comprising a frame and a blended barrel, the frame is provided with a first blended shaft and a second blended shaft, the first blended shaft is connected with a first driving part that drives the rotation, so The second agitating shaft is connected with a second driving member that drives it to rotate, and the first agitating shaft and the second agitating shaft extend into the blended barrel, and are characterized in that: the first agitating shaft is provided with a number of Dispersing disk, the dispersing disk is provided with stirring teeth, the second stirring shaft is provided with a plurality of stirring blades at intervals, and the dispersing disk and the stirring blades are arranged in a staggered manner. 2. The dual-shaft gravimetric blender according to claim 1, wherein the orientation of a plurality of the blended blades is staggered. 3. The dual-shaft gravimetric blender according to claim 1, characterized in that: the first driving member is a variable frequency motor. 4. The dual-shaft gravimetric blender according to claim 1, characterized in that: the end portion of the first stirring shaft and/or the second stirring shaft is provided with a liquid scraping mechanism. 5. The dual-shaft gravimetric blender according to claim 4, characterized in that: the liquid scraping mechanism comprises a base connected with the first stirring shaft and/or the second stirring shaft, and a brush is provided on the base. The brush body abuts against the inner wall of the blended barrel. 6. The dual-shaft gravimetric blender according to claim 5, characterized in that: the base is threadedly connected with the first stirring shaft and/or the second stirring shaft. 7. The dual-shaft gravimetric blender according to claim 6, characterized in that: the screwing direction of the threaded connection between the base and the first stirring shaft and/or the second stirring shaft is the same as that of the base and the first stirring shaft. The rotation direction of the one stirring shaft and/or the second stirring shaft is opposite.[Gravimetric blender]